Boulder County fire crews quickly contained a small fire burning in the Rabbit Mountain Open Space northeast of Lyons. Mountain View Fire Rescue officials posted about the fire burning north of Colorado 66 at 5:40 p.m. Thursday. The 2-acre fire was fully contained as of 6:25 p.m., according to the Lyons Fire Protection District. Related Articles Colorado News | Goltra fire burning near Golden is 100% contained, U.S.